The explorer is running in 'regtest' mode. This saves disk space, but there is limited data.
The code for this application can be found at github.com/pdxrod/blockchain_explorer.

home    blocks

Enter a block height, e.g. 123, or the start of a bitcoin address, e.g. mxMfLjAez

Height: 46
Hash: 67201aa38ca927201febaef31c1dbdd0a46ca3496730afdc4f727a40caa659ea
Previous block: 715ac2f1404db58c17b38be4429e17ccb6d91b1adbee47f3942aed873b963e22
Next block: 238161e17f5efb5bf6c05e148c36b29a6a863233124ef75056b6630b7486d463
Weight: 868
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701597875
Stripped size: 217
Size: 217
Nonce: 2
Merkle root: df1870cb39f2956381b89e5c372b07526f83df8df37300a8fdb43b3b7514c3d0
Median time: 1701597874
Difficulty: 4.656542373906925e-10
Confirmations: 2198
Chainwork: 000000000000000000000000000000000000000000000000000000000000005e
Bits: 207fffff